INTRODUCTION How do you know when milk has gone sour Or when someone farts Or when something out of sight catches fire You smell it Your nose knows Your sense of smell is powerful and super helpful when it warns you about something that could hurt you But some odors are so stinky that you just can’t help but hold your nose
Dirty socks stinky bathrooms rotting food onion breath ugh You escape from one smell but another could be waiting right around the corner Even outer space isn’t stink-free But you can’t live with your nose clipped or run out of every smelly room This stinky problem needs a proper solution It needs inventions So follow your nose and the pages of this book to some fresh-smelling solutions
Inside this book you’ll meet a bunch of stinky PROBLEMS and their amazing solutions learn the science behind the smell in TELL ME WHY get a sneak peek at everyday inventions we take for granted in INVENTION CENTRAL follow an invention’s journey in HOW DID WE GET TO learn about other odor-busting ideas in MORE WAYS TO STOP THE STINK get inspired by some unbelievable inventions in the works in NEXT-LEVEL INVENTIONS come up with your own creative ideas in THINK LIKE AN INVENTOR Because yes YOU can be an inventor too It’s time to turn the page and get inventing But be warned Parts of this book really stink
CHAPTER one BAD BREATH You wake up after a long night’s sleep You finish a bowl of garlicky pasta or a big tuna fish sandwich You forget to brush your teeth What happens next Bad breath We’ve all had this stinky problem WHY DO YOU GET BAD BREATH Because your mouth hosted a party for billions of bacteria